Service Manual

Replacing the heat sink

NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the

steps in Before working inside your computer. After working inside your computer, follow the instructions in After working

inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/

regulatory_compliance.

CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.

NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together. If either

the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is

achieved.

Topics:

• Procedure

• Post-requisites

Procedure

1. Place the heat sink on the system board and align the screw holes on the heat sink to the screw holes on the system board.

2. In a sequential order, tighten the four captive screws that secure the heat sink to the system board.

Post-requisites

1. Replace the battery.

2. Replace the base cover.

Replacing the heat sink 41